How to find out if you were affected by the Equifax hack

CNN - You may have never used Equifax yourself -- or even heard of it -- but the credit reporting agency could still have a treasure trove of your personal information.

Equifax said Thursday that 143 million people could be affected by a recent data breach in which cybercriminals stole information including names, Social Security numbers, birth dates, addresses, and the numbers of some driver's licenses.